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#include <unistd.h>
#include <errno.h>
#include <fcntl.h>
#include "syscall.h"
void __procfdname(char *, unsigned);
int fchown(int fd, uid_t uid, gid_t gid)
{
int ret = __syscall(SYS_fchown, fd, uid, gid);
if (ret != -EBADF || __syscall(SYS_fcntl, fd, F_GETFD) < 0)
return __syscall_ret(ret);
char buf[15+3*sizeof(int)];
__procfdname(buf, fd);
#ifdef SYS_chown
return syscall(SYS_chown, buf, uid, gid);
#else
return syscall(SYS_fchownat, AT_FDCWD, buf, uid, gid, 0);
#endif
}
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